Marrocco will participate in a anti-rejection regimen study that's being funded by the Armed Forces Institute of Regenerative Medicine.

CNN: Iraq vet undergoes successful double-arm transplant

"We were able to create patients' own tissue that actually belongs there, " said Dr. Anthony Atala, lead author of the study and director of the Institute for Regenerative Medicine at Wake Forest University School of Medicine.

CNN: Scientists 'seed' cells, make new organs

Frank Barry, Professor of Cellular Therapy at the University of Galway and scientific director of the Regenerative Medicine Institute said evidence of the usefulness of stem cells was growing.

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Wednesday's report is "a nice advancement, " said Dr. Anthony Atala, director of the Institute for Regenerative Medicine at Wake Forest Baptist Medical Center, who wasn't involved in the new research.

WSJ: Scientists use 3-D printing to help grow an ear

California, the birthplace of biotech and home to granddaddy Genentech in South San Francisco and Southern California big shot Amgen, made it onto FierceBiotech's hot spot list because of the California Institute for Regenerative Medicine.

FORBES

California, the birthplace of biotech and home to granddaddy Genentech (nyse: DNA - news - people ) in South San Francisco and Southern California big shot Amgen (nasdaq: AMGN - news - people ), made it onto FierceBiotech's hot spot list because of the California Institute for Regenerative Medicine.

FORBES: Biotech's Hot Spots

Moon also roped in his longtime collaborator, Philip Beachy, of the Stanford Institute for Stem Cell Biology and Regenerative Medicine.

FORBES: Magazine Article